Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Steven Mesmer & Associates, LLC

Organization Mental Health Counselor · NPI 1851178719

Steven Mesmer & Associates, LLC is a Mental Health Counselor in Crystal Lake, Illinois. Registered with an NPI since 2023.

In the registry since
2023
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

900 Pyott Rd Ste 102
Crystal Lake, IL 60014-8717
Phone: (815) 444-9076
Fax: (815) 444-9079
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X
Professional Counselor Taxonomy 101YP2500X

Record details

NPI number1851178719
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Steven Mesmer — Owner · (815) 444-9076
NPI enumeratedSeptember 13, 2023
Last updated in NPPESSeptember 17, 2023
Certification dateSeptember 17, 2023
Mailing address190 Hollow Way, Ingleside, IL 60041-8777

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